Question: What is the born on of advisor of Gaston Bachelard ?
Paraphrase: What is the born on of advisor of Gaston Bachelard ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q270800 wdt:P184 ?X . ?X wdt:P569 ?answer}
Answer: 1869-11-10T00:00:00Z, 1873-12-29T00:00:00Z